<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
<div id="app">
  请问一个 yes/no 的问题
  <input v-model="question"></input>
  {{answer}}
</div>
<script type="module">
  import { createApp, ref, watch } from './node_modules/vue/dist/vue.esm-browser.js'

  createApp({
    setup() {
      const question = ref('')
      const answer = ref('')
      watch(question, async (newValue, oldValue) => {
        const response = await fetch('https://www.yesno.wtf/api')
        const data = await response.json()
        answer.value = data.answer
      })
      return {
        question,
        answer
      }
    }
  }).mount('#app')
</script>
</body>
</html>